1988 Johnson/Evinrude "CC" 40 thru 55 Models Service Repair Manual P/N 507661, Page 99Get this manual
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3 Anti-Siphon Valvesafety stdds require mtl istlld fuel systems to have t;ih tti This tti afforded two ways AII fuel distiuti lis must secued above the highest fuel level wh the boat is its ml, uldd,